Question Answers

Which of the following compounds will produce a precipitate with AgNO3 Which of the following compounds will produce a precipitate with AgNO3 February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which amongst the following is the strongest acid (a) CHI3 (b) CHCI3 (c) CHBr3 (d) CH(CN)3 Which amongst the following is the strongest acid (a) CHI3 (b) CHCI3 (c) CHBr3 (d) CH(CN)3 February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The increasing order of the reactivity of the following halides for the S N1 reaction is (a) (II) < (I) < (III) (b) (I) < (III) < (II) (c) (II) < (III) < (I) The increasing order of the reactivity of the following halides for the S N1 reaction is (a) (II) < (I) < [...]

In a solid ‘AB’ having the NaCl structure , ‘A’ atoms occupy the corners of the cubic unit cell . If all the face – centred atoms along one of the axes are removed , then the resultant stoichiometry of the solid is 'A' atoms occupy the corners of the cubic unit cell . If [...]

When an electron in an excited Mo atom fall from L to K shell; an X – ray is emitted . These X – rays are diffracted at angle of 7.75 degree by planes with a seperation of 2.64 A . what is the difference in energy between K – shell and L – shell [...]

planck’s constant has dimensions……………… Planck's constant has dimensions .................................................... February 9, 2021 Category: Chapter 5 - Rotational Motion , JEE Mains Physics 2002-2019 Solved Video Solutions ,

A metallic crystal crystallizes into lattice containing a sequence of layers AB. AB. AB……….. The percentage of free space in this lattice is (a) 74% (b) 26% (c) 32% (d) 48% A metallic crystal crystallizes into lattice containing a sequence of layers AB. AB. AB........... The percentage of free space in this lattice is (a) [...]

The basic building unit of all silicates is (a) SiO4 square planar (b) [siO4 ]^-4 tetrahedron (c) SiO4 octahedron (d) SiO4 linear The basic building unit of all silicates is (a) SiO4 square planar (b) [siO4 ]^-4 tetrahedron (c) SiO4 octahedron (d) SiO4 linear February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Amorphous solids are (a) solid substance in real sense (b) Liquid in real sense (c) Supercooled liquid (d) substance with definite melting point Amorphous solids are (a) Solid substance in real sense (b) Liquid in real sense (c) Supercooled liquid (d) substance with definite melting point February 9, 2021 Category: Uncategorised (JEE Advanced Physics by [...]

Which of the following molecules has three – fold axis of symmetry (a) NH3 (b) C2H4 (c) CO2 (d) SO2 Which of the following molecules has three- fold axis of symmetry (a) NH3 (b) C2H4 (c) CO2 (d) SO2 February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,